3" x 18" Aluminum Oxide Sanding Belts

USA1 Abrasives 3" x 18" Sanding Belts are a popular size for portable belt sanders used in woodworking, metalworking, and finishing. Semi-open coat aluminum oxide on X-weight cloth backing delivers fast, consistent stock removal with excellent clog resistance. Available in a wide grit range from aggressive stock removal to fine finishing. Sold in packs of 10 belts.

Technical Specifications

• Abrasive Material: Aluminum oxide
• Coat Type: Semi-open coat
• Backing: X-weight cloth
• Bond Type: Resin-over-resin
• Belt Size: 3" x 18"
• Direction: Bidirectional
• Package Size: 10 belts per pack
• Available Grits: 36, 40, 50, 60, 80, 100, 120, 150, 180

Key Features & Benefits

• Semi-Open Coat: Resists loading for longer belt life on wood and soft materials
• X-Weight Cloth Backing: Handles belt tension and heat without stretching or tearing
• Bidirectional: Runs in either direction for easy installation
• Wide Grit Range: 36–180 grit covers aggressive removal through fine finishing
• Versatile: Works on wood, metal, plastic, and composites

Recommended Applications

• Portable belt sanding on wood and metal
• Stock removal and surface leveling
• Paint and finish stripping
• Edge sanding and shaping
• Metal deburring and surface preparation

Grit Selection Guide

• 36-50 Grit: Aggressive stock removal and shaping
• 60-80 Grit: General smoothing and surface preparation
• 100-120 Grit: Fine sanding before finishing
• 150-180 Grit: Final finishing and between-coat sanding

Versatile 3" Belt. Full Grit Range. Reliable Performance on Wood and Metal.